Insights

Established Reputation Léon Grosse has a long-standing presence in the construction industry since 1881, with a portfolio that includes prestigious projects such as major stadiums, transportation hubs, and government buildings, showcasing its capacity for large-scale, high-profile endeavors.

Diverse Project Portfolio The company's engagement in diverse segments like sports venues, airports, transportation infrastructure, and cultural institutions indicates potential for cross-sector expansion and multilingual project expertise.

Growth Potential With revenues estimated between 25 and 50 million USD and a substantial workforce of over 1,000 employees, Léon Grosse shows room for scalability and opportunities to deepen service offerings within the European construction market.

Innovative Tools Utilization of advanced technology stacks such as Tableau and SEE Electrical suggests a focus on digital transformation, which can be leveraged to improve project management efficiency and client reporting.

Market Positioning Compared to larger competitors like Bouygues and Vinci, Léon Grosse’s mid-sized profile presents opportunities to target niche or specialized construction markets, differentiating through quality and tailored solutions.

Groupe Léon Grosse Tech Stack

Groupe Léon Grosse uses 8 technology products and services including Canva, AutoCAD, SEE Electrical, and more. Explore Groupe Léon Grosse's tech stack below.

  • Canva
    Audio, Video, Graphics
  • AutoCAD
    Cad & Graphics
  • SEE Electrical
    Cad & Graphics
  • Google Slides
    Communication And Collaboration
  • Apple iCloud Mail
    Email
  • TweenMax
    Javascript Frameworks
  • Linux
    Programming Languages
  • Yoast SEO
    Search Engines

Media & News

Groupe Léon Grosse's Email Address Formats

Groupe Léon Grosse uses at least 1 format(s):
Groupe Léon Grosse Email FormatsExamplePercentage
F.Last@leongrosse.frJ.Doe@leongrosse.fr
99%
L.First@leongrosse.frD.John@leongrosse.fr
1%

Frequently Asked Questions

Where is Groupe Léon Grosse's headquarters located?

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Groupe Léon Grosse's main headquarters is located at Versailles, Île-de-france 78000 France. The company has employees across 3 continents, including EuropeNorth AmericaSouth America.

What is Groupe Léon Grosse's phone number?

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You can contact Groupe Léon Grosse's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Groupe Léon Grosse's official website and social media links?

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Groupe Léon Grosse's official website is leongrosse.fr and has social profiles on LinkedIn.

What is Groupe Léon Grosse's NAICS code?

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Groupe Léon Grosse's NAICS code is 23 - Construction.

How many employees does Groupe Léon Grosse have currently?

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As of June 2026, Groupe Léon Grosse has approximately 1.5K employees across 3 continents, including EuropeNorth AmericaSouth America. Key team members include Ceo / Prã©sident Du Directoire: B. G.President: L. M. M. C.Marketing Director: P. J.. Explore Groupe Léon Grosse's employee directory with LeadIQ.

What industry does Groupe Léon Grosse belong to?

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Groupe Léon Grosse operates in the Construction industry.

What technology does Groupe Léon Grosse use?

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Groupe Léon Grosse's tech stack includes CanvaAutoCADSEE ElectricalGoogle SlidesApple iCloud MailTweenMaxLinuxYoast SEO.

What is Groupe Léon Grosse's email format?

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Groupe Léon Grosse's email format typically follows the pattern of F.Last@leongrosse.fr. Find more Groupe Léon Grosse email formats with LeadIQ.

When was Groupe Léon Grosse founded?

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Groupe Léon Grosse was founded in 1881.

Groupe Léon Grosse

ConstructionÎle-de-france, France1001-5000 Employees

Léon Grosse est l’un des premiers intervenants du BTP avec un chiffre d’affaires de 720 M€ et près de 2 300 collaborateurs repartis en France métropolitaine et dans les DOM-TOM. L'entreprise a été fondée en 1881 à Aix-les-Bains en Savoie.

Le groupe a réalisé de grands chantiers de prestige tels que le stade Jean Bouin à Paris, le satellite S4 de l’aéroport Roissy-CDG, la tour du Parlement européen de Strasbourg et la gare TGV d'Aix-en-Provence. Il vient de livrer la rénovation et l’agrandissement du stade Geoffroy-Guichard à Saint-Etienne. 

Léon Grosse achève actuellement la rénovation du Musée de l’Homme à Paris, la construction de la nouvelle gare RER de Nanterre-Université ou encore du centre national d’entraînement pour le compte de la Fédération Française de Tennis.

Section iconCompany Overview

Headquarters
Versailles, Île-de-france 78000 France
Phone number
NAICS Code
23 - Construction
Founded
1881
Employees
1001-5000

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

    Groupe Léon Grosse's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Groupe Léon Grosse's revenue is estimated to be in the range of $25M$50M

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